// JavaScript Document

/*
/////////////////////////////////////////////////////////////////////
//  Autori: Cascardi Francesco & Quattrini Enrico				
//  Data Creazione: 02.12.2006
//  Ultima Modifica : 02.12.2006
//  WEB: http://www.internetproject.it
//  mail : info@internetproject.it
///////////////////////////////////////////////////////////////////// 
*/

var idImage = 0;
var numOfImage = 0;

var listCentralImg = new Array();




function loadImg(obj)
{
loader = document.getElementById("centralImg");

	if(obj != null && obj != "undefined")
	{
		//get_filter(loader);
		
		//getDimImage(obj);
		
		loader.src = obj.src;
		//loader.height = obj.height;
		//loader.width = obj.width;		
		
		idImage = parseInt(obj.id - 1);
	}
}

function get_filter(obj)
{
	try{
	if(document.all)
		{
			if(loader.filters)
			{
				loader.style.filter = 'blendTrans(duration=2)';
				loader.filters.blendTrans.Apply();
				loader.filters.blendTrans.Play();
			}
		}
	}
	catch(error){}
	finally{ return true;}
	
}

function preloadImg()
{
var listImage = document.getElementsByName("IMGmini");
set_listCeantralImg(listImage);
	if(listImage)
	{
	//	window.setTimeout("loadImg(listCentralImg[0])",1600);
	loadImg(listCentralImg[0]);
	numOfImage = listImage.length;
	}
}
function set_listCeantralImg(arr)
{
	for(i=0;i<arr.length;i++)
	{
	//var img = new Image();
	var img = new Object();
	var index = arr[i].src.lastIndexOf('_t');
	var ext = arr[i].src.lastIndexOf('.');
	var path = arr[i].src.substr(0,index);
	var extension = arr[i].src.substr(ext);
	var name = arr[i].src.substr(0,ext);
	img.name = name;
	img.src = path + extension;
	img.id = arr[i].id;
	listCentralImg.push(img);
		}
		//alert(listCentralImg.length);
}

function navigation(action)
{
var listImage = document.getElementsByName("IMGmini");
var index;
if(action=="N" && idImage<=numOfImage)
{index = parseInt(idImage)+1}
else if(action=="P" && idImage>0)
{index = parseInt(idImage)-1}

	if(index>=0)
	{
	loadImg(listCentralImg[index]);
	}
}

function getDimImage(objImg)
{
var maxHeight = 365;
var maxWidth = 463;
var imgH = objImg.height;
var imgW = objImg.width;

	if(imgH > maxHeight )
	{
		correzione = maxHeight/imgH;
		//alert(correzione)
		objImg.height = maxHeight;
		objImg.width = imgW*correzione;
	}
}


<!-- Begin
function right(e) {

var langu = document.getElementById("langu").value;
var txt ;
switch(langu)
{
case "EN":
txt = "Sorry, right button is disabled";
break;
case "ES":
txt = "Pedimos desculpa, el boton a la  derecha esta desabilitado";
break;
default:
txt = "Spiacenti, il tasto destro del mouse e' disabilitato";
}

if (navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2))
return false;
else if (navigator.appName == 'Microsoft Internet Explorer' &&
(event.button == 2 || event.button == 3)) {
alert(txt);
return false;
}

else if (navigator.appName == 'Microsoft Internet Explorer' &&
(event.shiftKey && event.button == 1))
  {
     alert(txt);
return false;
}

return true;
}

document.onmousedown=right;
if (document.layers) window.captureEvents(Event.MOUSEDOWN);
window.onmousedown=right;
//  End -->